<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>typeof的解析</title>
    <script>
      let obj = {
        name: "主打",
        age: 2131
      };
      console.log(typeof obj);
      console.log(typeof typeof obj);
    </script>
  </head>
  <body></body>
</html>
